224376domain: NAppears in sequencesa(n) = floor(n*phi^19), where phi is the golden ratio, A001622.at n=24A004934a(n) = round(n*phi^19), where phi is the golden ratio, A001622.at n=24A004954Concatenation of first 3 digits and last 3 digits of n-th even superperfect number A061652(n).at n=24A138872